/Engine/Source/Runtime/CoreUObject/Public/Serialization/AsyncPackageLoader.h
void NotifyRegistrationEvent ( const TCHAR * PackageName, const TCHAR * Name, ENotifyRegistrationType NotifyRegistrationType, ENotifyRegistrationPhase NotifyRegistrationPhase, [UObject](API\Runtime\CoreUObject\UObject\UObject) *(*)() InRegister, bool InbDynamic, [UObject](API\Runtime\CoreUObject\UObject\UObject) * FinishedObject )